Booklung | definition of Booklung by Medical dictionary
book lung (redirected from Booklung)
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A saccular respiratory organ found in some arachnids, such as scorpions and spiders, consisting of several parallel membranous folds arranged like the pages in a book.
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References in periodicals archive
When the larva hatches they crawl up the spider's legs and enter the booklungs
. The larvae may stay dormant for many years before beginning to feed on the tarantula's internal organs.
Evidence for terrestriality in mesoscorpions was provided by demonstration of booklungs
in Pulmonoscorpius Jeram, 1994 from early Carboniferous strata of East Kirkton in Scotland (Jeram 1990, 1994).
and a single tracheal spiracle anterior to spinnerets.